USD247248SExpiredUtility

Diffusion plate for oxygenation treatment of sludge or the like

79
Assignee: DEGREMONTPriority: Sep 29, 1975Filed: Mar 29, 1976Granted: Feb 14, 1978
Est. expirySep 29, 1995(expired)· nominal 20-yr term from priority
Inventors:Jean Durot
79
PatentIndex Score
15
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a diffusion plate for oxygenation treatment of sludge or the like, as shown and described.

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